2029221808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{51787}}^1$

素因数の和:51905

約数の個数: 40

約数和(自身を含む): 4109895680

約数和(自身を除く): 2080673872

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2449, 4898, 9796, 19592, 39184, 51787, 103574, 207148, 414296, 828592, 1605397, 3210794, 4091173, 6421588, 8182346, 12843176, 16364692, 25686352, 32729384, 65458768, 126826363, 253652726, 507305452, 1014610904, 2029221808]

約数ペア:

[(1, 2029221808), (2, 1014610904), (4, 507305452), (8, 253652726), (16, 126826363), (31, 65458768), (62, 32729384), (79, 25686352), (124, 16364692), (158, 12843176), (248, 8182346), (316, 6421588), (496, 4091173), (632, 3210794), (1264, 1605397), (2449, 828592), (4898, 414296), (9796, 207148), (19592, 103574), (39184, 51787)]